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I need an affordable solution for 1MHz - 4MHz capture and analysis?
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pi
electronics forum beginner


Joined: 03 Jul 2006
Posts: 6

PostPosted: Mon Jul 03, 2006 5:15 pm    Post subject: Re: I need an affordable solution for 1MHz - 4MHz capture and analysis? Reply with quote

lars121@gmail.com wrote:
Quote:
Well, signal that requires capure and analysis is generated by a HAM
radio transceiver (approx 20-100W) or class E transmitter and is being
used to drive a coil to produce the signal in a range of 570Hz to 4MHz
which is picked up in near proximity by pairs of smaller coils
implanted in biomedical implants.

Do you want to fry a human brain ?
:)

Resistance is variable, but on the
Quote:
order of 50-150.

ohm ?

An expansion card or USB to PC interface would be
Quote:
preferable to having to purchase a HAM rig or high dollar spectrum
analyzer. Trying to stay on budget!


Something between a spectrum analyzer and a RF detector in the range
0-10Mhz at about 200 euro at http://www.aaronia.de

It's not a real spectrum analyzer (I have the 6Ghz version) but it can
tell you the frequency and the amplitude of the peak (with an error of
about 3dB) . It will tell you nothing truth about the SNR.


greetings,
Vasile
Quote:

Rene Tschaggelar wrote:
larsonmedia@gmail.com wrote:

I need a solution that will allow capture and analysis of 1MHz - 4Mhz
that doesn't involve thousands of dollars of new hardware. Anyone have
suggestions? Many thanks.

And the requirements ?
Signal level, dynamic range, impedance, resolution ?

Rene
--
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net
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lars121@gmail.com
electronics forum beginner


Joined: 03 Jul 2006
Posts: 1

PostPosted: Mon Jul 03, 2006 9:24 am    Post subject: Re: I need an affordable solution for 1MHz - 4MHz capture and analysis? Reply with quote

Well, signal that requires capure and analysis is generated by a HAM
radio transceiver (approx 20-100W) or class E transmitter and is being
used to drive a coil to produce the signal in a range of 570Hz to 4MHz
which is picked up in near proximity by pairs of smaller coils
implanted in biomedical implants. Resistance is variable, but on the
order of 50-150. An expansion card or USB to PC interface would be
preferable to having to purchase a HAM rig or high dollar spectrum
analyzer. Trying to stay on budget!

Rene Tschaggelar wrote:
Quote:
larsonmedia@gmail.com wrote:

I need a solution that will allow capture and analysis of 1MHz - 4Mhz
that doesn't involve thousands of dollars of new hardware. Anyone have
suggestions? Many thanks.

And the requirements ?
Signal level, dynamic range, impedance, resolution ?

Rene
--
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net
Back to top
Winfield Hill
electronics forum Guru


Joined: 05 May 2005
Posts: 1996

PostPosted: Sun Jul 02, 2006 9:15 pm    Post subject: Re: I need an affordable solution for 1MHz - 4MHz capture and analysis? Reply with quote

larsonmedia@gmail.com wrote...
Quote:

I need a solution that will allow capture and analysis of
1MHz - 4MHz that doesn't involve thousands of dollars of
new hardware. Anyone have suggestions? Many thanks.

74HC4046, 43 cents, qty 1.


--
Thanks,
- Win
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Winfield Hill
electronics forum Guru


Joined: 05 May 2005
Posts: 1996

PostPosted: Sun Jul 02, 2006 9:15 pm    Post subject: Re: I need an affordable solution for 1MHz - 4MHz capture and analysis? Reply with quote

larsonmedia@gmail.com wrote...
Quote:

I need a solution that will allow capture and analysis of
1MHz - 4MHz that doesn't involve thousands of dollars of
new hardware. Anyone have suggestions? Many thanks.

74HC4046, 43 cents, qty 1.


--
Thanks,
- Win
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Rene Tschaggelar
electronics forum Guru


Joined: 24 Mar 2005
Posts: 540

PostPosted: Sun Jul 02, 2006 10:54 am    Post subject: Re: I need an affordable solution for 1MHz - 4MHz capture and analysis? Reply with quote

larsonmedia@gmail.com wrote:

Quote:
I need a solution that will allow capture and analysis of 1MHz - 4Mhz
that doesn't involve thousands of dollars of new hardware. Anyone have
suggestions? Many thanks.

And the requirements ?
Signal level, dynamic range, impedance, resolution ?

Rene
--
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net
Back to top
larsonmedia@gmail.com
electronics forum beginner


Joined: 02 Jul 2006
Posts: 1

PostPosted: Sun Jul 02, 2006 7:48 am    Post subject: I need an affordable solution for 1MHz - 4MHz capture and analysis? Reply with quote

I need a solution that will allow capture and analysis of 1MHz - 4Mhz
that doesn't involve thousands of dollars of new hardware. Anyone have
suggestions? Many thanks.
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